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Finding the Fourth Proportional to 173,612.59, 260,443.10 and 53,679.34

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Solution

The fourth proportional to 173,612.59, 260,443.10 and 53,679.34 is: 80,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,612.59 : 260,443.10 = 53,679.34 : x
  2. Step 2: Convert to fraction form
    173,612.59/260,443.10 = 53,679.34/x
  3. Step 3: Cross multiply
    173,612.59x = 260,443.10 × 53,679.34
  4. Step 4: Simplify right side
    173,612.59x = 13,980,413,715.55
  5. Step 5: Solve for x
    x = 13,980,413,715.55/173,612.59
  6. Step 6: Final answer
    x = 80,526.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.